Our Physician Assistants
At Vail-Summit Orthopaedics & Neurosurgery, our Physician Assistants (PAs) play a crucial role in delivering world-class orthopedic and sports medicine care. Working closely with our renowned surgeons, our PAs provide expert diagnosis, treatment, and post-operative care to help patients recover and return to the activities they love.
Our Physician Assistants
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Katie
Wolfe, PA-C
Dr. Terrell Joseph's PA
Shoulder, Elbow, Wrist, Hand, Knee, & Orthopaedic Trauma
Katie is a trusted physician assistant on Dr. Terrell Joseph’s team, specializing in shoulder, elbow, wrist, hand, knee, and orthopedic trauma. She provides expert care both in the clinic and the operating room.
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Shannen
McNamera, PA-C
Dr. Richard Cunningham's PA
Knee, Shoulder & Sports Medicine
Shannen is a dedicated physician assistant on Dr. Cunningham’s team, specializing in knee, shoulder, sports medicine, and orthopedic trauma. She provides expert care to patients both in the clinic and the operating room.
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Jonathan
Walker, PA-C
Dr. Bill Sterett's PA
Knee, Shoulder, & Sports Medicine
Jonathan plays a key role on Dr. Sterett’s team. You may first meet him during your initial office visit, prior to seeing Dr. Sterett, but you’ll also see him in the Operating Room, where he assists Dr. Sterett with all surgical procedures.
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Haley
Zipperer, PA-C
Dr. Matthew Gnirke's PA
Spine, Regenerative Medicine, & Interventional Sports
As a member of Dr. Gnirke's team she specializes in nonsurgical management of various musculoskeletal conditions and utilizes ultrasound-guided techniques for therapeutic treatments, including corticosteroid and platelet-rich plasma (PRP) injections.
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Casey
Farrell, PA-C
Dr. Henry Yu's PA
Total Joint Replacement: Hip and Knee
Casey is a Physician Assistant working alongside Dr. Yu’s team with a focus on total joint replacements. She plays a vital role in patient care, evaluating and treating patients in the clinic and assisting in the operating room.
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Georgia
Wiener, PA-C
Dr. Max Seiter's PA
Shoulder, Hip, Knee & Sports Medicine
Georgia is a valued physician assistant on Dr. Max Seiter’s team, specializing in shoulder, hip, knee, sports medicine, fracture care, and orthopedic trauma. She plays a key role in both the clinic and the operating room for Dr. Seiter's practice.
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Cora
Zimmerman, PA-C
Dr. Matthew Gnirke's PA
Spine, Regenerative Medicine, & Interventional Sports
Cora is a valued member of Dr. Gnirke’s team, specializing in interventional spine, sports, and regenerative medicine. In her role, Cora focuses on seeing patients in the clinic and performing ultrasound-guided injections, always striving to deliver the highest level of personalized care.